/* 
==============================================
    Enhanced Dashboard UI Styles for University System
    Author: AI Assistant
    Version: 1.0
==============================================
*/

:root {
    /* Primary Colors */
    --primary-color: #4e54c8;
    --primary-color-light: #8f94fb;
    --primary-color-dark: #363795;
    
    /* Secondary Colors */
    --secondary-color: #ff7350;
    --secondary-color-light: #ff9d7d;
    --secondary-color-dark: #e65a37;
    
    /* Accent Colors */
    --accent-color-1: #00c9a7;
    --accent-color-2: #ffc107;
    --accent-color-3: #6c63ff;
    
    /* Neutral Colors */
    --light-color: #ffffff;
    --dark-color: #141b22;
    --gray-color-100: #f8f9fa;
    --gray-color-200: #e9ecef;
    --gray-color-300: #dee2e6;
    --gray-color-400: #ced4da;
    --gray-color-500: #adb5bd;
    --gray-color-600: #6c757d;
    --gray-color-700: #495057;
    --gray-color-800: #343a40;
    --gray-color-900: #212529;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 2rem;
    --border-radius-circle: 50%;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;
}

/* ===== General Dashboard Styles ===== */
body {
    font-family: 'Open Sans', sans-serif;
    color: var(--gray-color-700);
    background-color: var(--gray-color-100);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark-color);
    font-weight: 600;
}

a {
    color: var(--primary-color);
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-color-dark);
    text-decoration: none;
}

/* ===== Button Styles ===== */
.btn {
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: var(--transition-fast);
    text-transform: capitalize;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    border-color: var(--primary-color);
    color: var(--light-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--primary-color) 100%);
    border-color: var(--primary-color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-color-dark) 100%);
    border-color: var(--secondary-color);
    color: var(--light-color);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-color-dark) 0%, var(--secondary-color) 100%);
    border-color: var(--secondary-color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-color-1) 0%, #00a58c 100%);
    border-color: var(--accent-color-1);
    color: var(--light-color);
}

.btn-success:hover {
    background: linear-gradient(135deg, #00a58c 0%, var(--accent-color-1) 100%);
    border-color: #00a58c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-color-2) 0%, #e5ac06 100%);
    border-color: var(--accent-color-2);
    color: var(--dark-color);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e5ac06 0%, var(--accent-color-2) 100%);
    border-color: #e5ac06;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    border-color: #f44336;
    color: var(--light-color);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #d32f2f 0%, #f44336 100%);
    border-color: #d32f2f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-light {
    background: var(--light-color);
    border-color: var(--gray-color-300);
    color: var(--gray-color-700);
}

.btn-light:hover {
    background: var(--gray-color-100);
    border-color: var(--gray-color-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    line-height: 36px;
    text-align: center;
    border-radius: var(--border-radius-circle);
}

/* ===== Card Styles ===== */
.card {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    margin-bottom: 1.5rem;
    background-color: var(--light-color);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--gray-color-200);
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0 !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5 {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1rem;
}

.card-header .card-header-right {
    display: flex;
    align-items: center;
}

.card-header .card-header-right .btn-icon {
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin-left: 0.25rem;
    font-size: 0.875rem;
    color: var(--gray-color-600);
    background-color: var(--gray-color-100);
}

.card-header .card-header-right .btn-icon:hover {
    color: var(--primary-color);
    background-color: var(--gray-color-200);
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--light-color);
    border-top: 1px solid var(--gray-color-200);
    padding: 0.75rem 1.25rem;
}

/* ===== Dashboard Stats Cards ===== */
.stats-card {
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stats-card.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    color: var(--light-color);
}

.stats-card.secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-color-dark) 100%);
    color: var(--light-color);
}

.stats-card.success {
    background: linear-gradient(135deg, var(--accent-color-1) 0%, #00a58c 100%);
    color: var(--light-color);
}

.stats-card.warning {
    background: linear-gradient(135deg, var(--accent-color-2) 0%, #e5ac06 100%);
    color: var(--dark-color);
}

.stats-card .stats-icon {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2.5rem;
    opacity: 0.2;
}

.stats-card .stats-info h5 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: inherit;
}

.stats-card .stats-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.stats-card .stats-progress {
    margin-top: 1rem;
}

.stats-card .stats-progress .progress {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    overflow: visible;
}

.stats-card .stats-progress .progress-bar {
    border-radius: var(--border-radius-sm);
    position: relative;
}

.stats-card .stats-progress .progress-bar:after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 12px;
    height: 12px;
    border-radius: var(--border-radius-circle);
    background-color: var(--light-color);
}

/* ===== Navbar Styles ===== */
.pcoded-header {
    background-color: var(--light-color);
    box-shadow: var(--shadow-sm);
    border-bottom: none;
}

.pcoded-header .navbar-brand {
    color: var(--primary-color);
    font-weight: 700;
}

.pcoded-header .navbar-nav .nav-item > a {
    color: var(--gray-color-700);
    transition: var(--transition-fast);
}

.pcoded-header .navbar-nav .nav-item > a:hover,
.pcoded-header .navbar-nav .nav-item > a:focus {
    color: var(--primary-color);
    background-color: transparent;
}

.pcoded-header .navbar-nav .nav-item > a i {
    font-size: 1.25rem;
}

.pcoded-header .dropdown-menu {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

.pcoded-header .dropdown-item {
    padding: 0.5rem 1.25rem;
    color: var(--gray-color-700);
    transition: var(--transition-fast);
}

.pcoded-header .dropdown-item:hover,
.pcoded-header .dropdown-item:focus {
    color: var(--primary-color);
    background-color: var(--gray-color-100);
}

.pcoded-header .dropdown-item i {
    margin-right: 0.5rem;
    font-size: 1rem;
    color: var(--gray-color-600);
}

.pcoded-header .dropdown-item:hover i {
    color: var(--primary-color);
}

.pcoded-header .user-profile {
    display: flex;
    align-items: center;
}

.pcoded-header .user-profile img {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-circle);
    object-fit: cover;
    margin-right: 0.5rem;
    border: 2px solid var(--gray-color-200);
}

.pcoded-header .user-profile .user-desc {
    line-height: 1.2;
}

.pcoded-header .user-profile .user-desc .user-name {
    font-weight: 600;
    color: var(--gray-color-800);
    font-size: 0.875rem;
}

.pcoded-header .user-profile .user-desc .user-role {
    font-size: 0.75rem;
    color: var(--gray-color-600);
}

/* ===== Sidebar Styles ===== */
.pcoded-navbar {
    background-color: var(--light-color);
    box-shadow: var(--shadow-sm);
    border-right: 1px solid var(--gray-color-200);
}

.pcoded-navbar .navbar-brand {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--gray-color-200);
}

.pcoded-navbar .navbar-content {
    background-color: var(--light-color);
}

.pcoded-navbar .pcoded-inner-navbar li a {
    color: var(--gray-color-700);
    border-radius: var(--border-radius-md);
    margin: 0.25rem 0.75rem;
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.pcoded-navbar .pcoded-inner-navbar li a:hover {
    color: var(--primary-color);
    background-color: var(--gray-color-100);
}

.pcoded-navbar .pcoded-inner-navbar li.active > a {
    color: var(--light-color);
    background-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu.active > a,
.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu.pcoded-trigger > a {
    color: var(--primary-color);
    background-color: var(--gray-color-100);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu .pcoded-submenu {
    background-color: var(--light-color);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu .pcoded-submenu li a {
    padding-left: 2.5rem;
    margin: 0.125rem 0.75rem;
    color: var(--gray-color-700);
    border-radius: var(--border-radius-md);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu .pcoded-submenu li a:hover {
    color: var(--primary-color);
    background-color: var(--gray-color-500);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu .pcoded-submenu li.active > a {
    color: var(--primary-color);
    background-color: var(--gray-color-100);
    font-weight: 600;
}

.pcoded-navbar .pcoded-inner-navbar li > a > .pcoded-micon {
    color: var(--gray-color-600);
    margin-right: 0.75rem;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.pcoded-navbar .pcoded-inner-navbar li > a:hover > .pcoded-micon {
    color: var(--primary-color);
}

.pcoded-navbar .pcoded-inner-navbar li.active > a > .pcoded-micon {
    color: var(--light-color);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu.active > a > .pcoded-micon,
.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu.pcoded-trigger > a > .pcoded-micon {
    color: var(--primary-color);
}

.pcoded-navbar .pcoded-inner-navbar li.pcoded-hasmenu .pcoded-submenu li > a > .pcoded-mtext:before {
    content: '•';
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color-500);
}

/* ===== Form Styles ===== */
.form-control {
    border: 1px solid var(--gray-color-300);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1rem;
    height: calc(2.25rem + 2px);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color-light);
    box-shadow: 0 0 0 0.2rem rgba(78, 84, 200, 0.25);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-color-700);
}

.input-group-text {
    background-color: var(--gray-color-100);
    border: 1px solid var(--gray-color-300);
    border-radius: var(--border-radius-md);
}

.custom-select {
    border: 1px solid var(--gray-color-300);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1rem;
    height: calc(2.25rem + 2px);
    transition: var(--transition-fast);
}

.custom-select:focus {
    border-color: var(--primary-color-light);
    box-shadow: 0 0 0 0.2rem rgba(78, 84, 200, 0.25);
}

.custom-checkbox .custom-control-label::before {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-color-400);
}

.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.custom-radio .custom-control-label::before {
    border: 1px solid var(--gray-color-400);
}

.custom-radio .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ===== Table Styles ===== */
.table {
    color: var(--gray-color-700);
}

.table thead th {
    border-top: none;
    border-bottom: 2px solid var(--gray-color-300);
    font-weight: 600;
    color: var(--gray-color-800);
    background-color: var(--gray-color-100);
    padding: 0.75rem 1rem;
}

.table tbody td {
    border-top: 1px solid var(--gray-color-200);
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(78, 84, 200, 0.05);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--gray-color-100);
}

.table .badge {
    padding: 0.4em 0.6em;
    font-size: 75%;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

.table .badge-primary {
    background-color: var(--primary-color);
}

.table .badge-secondary {
    background-color: var(--secondary-color);
}

.table .badge-success {
    background-color: var(--accent-color-1);
}

.table .badge-warning {
    background-color: var(--accent-color-2);
    color: var(--dark-color);
}

.table .badge-danger {
    background-color: #f44336;
}

.table .badge-info {
    background-color: var(--accent-color-3);
}

.table .action-buttons {
    display: flex;
    align-items: center;
}

.table .action-buttons .btn-icon {
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin-right: 0.25rem;
    font-size: 0.875rem;
}

/* ===== Pagination Styles ===== */
.pagination {
    margin-bottom: 0;
}

.pagination .page-item .page-link {
    color: var(--primary-color);
    border: 1px solid var(--gray-color-300);
    margin: 0 0.125rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.pagination .page-item .page-link:hover {
    background-color: var(--gray-color-100);
    border-color: var(--gray-color-400);
    color: var(--primary-color-dark);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-color);
}

.pagination .page-item.disabled .page-link {
    color: var(--gray-color-500);
    background-color: var(--light-color);
    border-color: var(--gray-color-300);
}

/* ===== Modal Styles ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--gray-color-200);
    padding: 1rem 1.5rem;
}

.modal-header .modal-title {
    font-weight: 600;
    color: var(--primary-color);
}

.modal-header .close {
    color: var(--gray-color-600);
    opacity: 1;
    transition: var(--transition-fast);
}

.modal-header .close:hover {
    color: var(--gray-color-800);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background-color: var(--light-color);
    border-top: 1px solid var(--gray-color-200);
    padding: 1rem 1.5rem;
}

/* ===== Alert Styles ===== */
.alert {
    border: none;
    border-radius: var(--border-radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.alert-primary {
    background-color: rgba(78, 84, 200, 0.1);
    color: var(--primary-color-dark);
}

.alert-secondary {
    background-color: rgba(255, 115, 80, 0.1);
    color: var(--secondary-color-dark);
}

.alert-success {
    background-color: rgba(0, 201, 167, 0.1);
    color: #00a58c;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #e5ac06;
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    color: #d32f2f;
}

.alert-info {
    background-color: rgba(108, 99, 255, 0.1);
    color: #5a52d5;
}

/* ===== Badge Styles ===== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--border-radius-sm);
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.badge-success {
    background-color: var(--accent-color-1);
    color: var(--light-color);
}

.badge-warning {
    background-color: var(--accent-color-2);
    color: var(--dark-color);
}

.badge-danger {
    background-color: #f44336;
    color: var(--light-color);
}

.badge-info {
    background-color: var(--accent-color-3);
    color: var(--light-color);
}

.badge-light {
    background-color: var(--gray-color-200);
    color: var(--gray-color-800);
}

.badge-dark {
    background-color: var(--gray-color-800);
    color: var(--light-color);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease;
}

@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-slideInUp {
    animation: slideInUp 0.5s ease;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ===== Responsive Styles ===== */
@media (max-width: 991px) {
    .pcoded-header .user-profile .user-desc {
        display: none;
    }
    
    .stats-card .stats-info h5 {
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .pcoded-header .navbar-nav {
        margin: 0 -0.5rem;
    }
    
    .pcoded-header .navbar-nav .nav-item {
        padding: 0 0.5rem;
    }
    
    .stats-card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header .card-header-right {
        margin-top: 0.5rem;
    }
}

@media (max-width: 575px) {
    .btn {
        padding: 0.375rem 1rem;
        font-size: 0.875rem;
    }
    
    .stats-card .stats-info h5 {
        font-size: 1.25rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.5rem 0.75rem;
    }
}